ARP Nut Kits

2010–2025 Automotive Applications / Various Vehicles

Part #: 401-8303

Overview

The ARP Nut Kits are precision-engineered fasteners designed for high-performance automotive applications. Crafted from aerospace-quality materials, these nuts provide exceptional strength and durability, making them ideal for enthusiasts and professionals who demand the best in their builds. Whether you're assembling a race car, upgrading your suspension, or securing critical components, these nuts ensure a reliable and secure fit.

Designed with versatility in mind, the ARP Nut Kits are suitable for a wide range of vehicles and applications. Their high tensile strength and quality construction help support increased horsepower and torque, while their polished finish adds a sleek, professional look to your engine bay or chassis. These nuts are perfect for those seeking a combination of strength, reliability, and corrosion resistance in their fasteners.

Key Features

The ARP Nut Kits offer a range of features that set them apart from standard nuts, including:

• Manufactured from aerospace-grade stainless steel, providing exceptional strength and corrosion resistance for long-lasting performance.
• Designed with a 12-point head style, allowing for easier installation and removal in tight spaces.
• Rated at an impressive 180,000 psi tensile strength, ensuring they can withstand high-stress conditions common in performance applications.
• Polished finish enhances appearance and provides additional corrosion protection, maintaining a clean look over time.
• Available in various sizes to meet a wide range of fastening needs, with this kit featuring a 5/16" - 18 thread size.
• Simple, reliable design without nylon inserts or self-locking features, making them suitable for use with lock washers or other locking mechanisms.
• Wrench diameter of 3/8 inch ensures compatibility with standard tools for quick and secure installation.
• Washers are not included, allowing for flexibility in application and compatibility with existing hardware.

Construction & Design

The ARP Nut Kits are meticulously crafted from aerospace-quality stainless steel, ensuring maximum strength and resistance to harsh environments. The 12-point head design provides increased grip points, facilitating easier tightening and loosening in confined spaces. Their polished finish not only adds a professional aesthetic but also helps prevent corrosion, extending the lifespan of the fasteners. The nuts are engineered to meet or exceed industry standards, providing peace of mind during high-performance driving or demanding applications.

Installation & Fitment

The ARP Nut Kits are designed for straightforward installation with standard hand tools. Their 12-point head allows for easier access in tight or hard-to-reach areas, making installation quick and hassle-free. These nuts are compatible with 5/16" - 18 threaded bolts and studs, and no special modifications or tuning are required. Their robust construction ensures a secure fit that remains tight even under vibration and stress, providing confidence in your assembly.

• Simply thread onto compatible bolts or studs and tighten with a wrench.
• No need for additional locking mechanisms, as their high tensile strength ensures a secure hold.
• Ideal for use in suspension, engine components, or any application requiring high-strength fasteners.

What's Included

• Complete set of stainless steel 12-point nuts with polished finish

Ideal For

• Performance automotive enthusiasts
• Race car builders
• High-stress mechanical assemblies
• Engine and suspension upgrades
• Professionals requiring reliable, aerospace-grade fasteners